R797 Sample ID R797 • Cabinet A Quartzite 19cm W x 19.5cm H x 6.751cm D • 6580g Sample TypeRockRock QualityMetamorphicTextureNon-foliated Grain SizeMediumColorLightGrain Sorting mohs 7 It is a big rock that is mostly covered with quartz, fluorite, and apatite on the top. The rock itself is a light tan color. Description of Mohs scale here